svg`<svg height="${svgDisplayHeight}" viewBox="0 0 ${plotW} ${plotH}">
<g transform="translate(0,${plotH}) scale(1, -1)">
${rotatedPaths.map((p,i) => `<line x1="${p[0].x}" y1="${p[0].y}" x2="${p[1].x}" y2="${p[1].y}" stroke-width=".25" stroke="black"/>`)}
${rotatedPaths.map((p,i) => `${i === 0 ? '' : `<line x1="${rotatedPaths[i-1][1].x}" y1="${rotatedPaths[i-1][1].y}" x2="${p[0].x}" y2="${p[0].y}" stroke-width=".1" stroke="red"/>`}`)}
</g>
</svg>`